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P1.55 <br />Connection at top: <br />Diaphragm check: <br />Reaction at top= 1488lbs /2 = 744lbs <br />Spacing of studs=16"o.c, hence reaction = 744lbs / 1.33' = 560plf <br />Allowable diaphragm strength: <br />Allowable = 1441plf <br />Ultimate = 1.4 x 1441plf = 2017plf <br />DCR= 560plf / 2017plf = 0.27 < 1, Hence OK. <br />Weld check: <br />Ru=744lbs <br />Per AISC Steel Manual, Equation 8-1: <br />D= 1/8 x 16/1= 2 <br />L= 5in (flute width) <br />ϕRn= 1.392kip/in x D x L= 1.392kip/in x 2 x 5in= 13.92kips <br />DCR = 0.744kips / 13.92kips = 0.05 < 1, Hence OK <br />Therefore, use min 1/8" weld. <br />Allowable Diaphragm Shear Strengths, q (plf) and Flexibility Factors, F (in./lb. x 106 ) <br />Attachment <br />Pattern <br />Deck <br />Gage <br />Span (ft-in.) <br />6'-0" 7'-0" 7'-6" 8'-0" 8'-6" 9'-0" 9'-6" 10'-0" 10'-6" 11'-0" 11'-6" 12'-0" 12'-6" 13'-0" 14'-0" <br />36/3 <br />22 q 1507 1468 1453 1439 1427 1416 1407 1398 1390 1383 1377 1371 1366 1360 1352 <br />21 q 1514 1471 1454 1439 1426 1414 1403 1394 1385 1378 1370 1364 1358 1352 1342 <br />20 q 1523 1476 1458 1441 1427 1414 1402 1392 1383 1374 1367 1359 1353 1347 1336 <br />19 q 1547 1493 1471 1452 1435 1420 1407 1395 1384 1374 1365 1357 1349 1342 1329 <br />18 q 1572 1511 1487 1465 1447 1430 1415 1401 1389 1378 1368 1359 1350 1342 1328 <br />16 q 1643 1566 1536 1509 1485 1464 1445 1429 1413 1399 1387 1375 1364 1354 1337 <br />36/4 <br />22 q 1668 1596 1567 1542 1520 1500 1482 1467 1452 1439 1427 1416 1406 1397 1380 <br />21 q 1700 1621 1590 1562 1538 1516 1497 1479 1463 1449 1436 1424 1413 1403 1384 <br />20 q 1735 1649 1615 1585 1558 1534 1513 1494 1477 1461 1447 1434 1422 1411 1391 <br />19 q 1811 1710 1670 1635 1604 1576 1551 1529 1509 1491 1474 1459 1445 1432 1408 <br />18 q 1877 1765 1720 1680 1645 1615 1587 1562 1540 1519 1500 1483 1468 1453 1427 <br />16 q 2046 1905 1848 1799 1755 1716 1682 1650 1622 1597 1573 1552 1532 1514 1481 <br />See footnotes on page 51. <br />OC Probation <br />1700 East Saint Andrew Place, Santa Ana, California 92705 <br />23-12434 <br />07/24/2024 <br />LR <br />1700 E St Andrew <br />Pl10/8/2024